10.7 problem 7

Internal problem ID [11737]

Book: Differential Equations by Shepley L. Ross. Third edition. John Willey. New Delhi. 2004.
Section: Chapter 4, Section 4.2. The homogeneous linear equation with constant coefficients. Exercises page 135
Problem number: 7.
ODE order: 2.
ODE degree: 1.

CAS Maple gives this as type [[_2nd_order, _missing_x]]

\[ \boxed {y^{\prime \prime }-8 y^{\prime }+16 y=0} \]

Solution by Maple

Time used: 0.016 (sec). Leaf size: 14

dsolve(diff(y(x),x$2)-8*diff(y(x),x)+16*y(x)=0,y(x), singsol=all)
 

\[ y \left (x \right ) = {\mathrm e}^{4 x} \left (c_{2} x +c_{1} \right ) \]

Solution by Mathematica

Time used: 0.013 (sec). Leaf size: 18

DSolve[y''[x]-8*y'[x]+16*y[x]==0,y[x],x,IncludeSingularSolutions -> True]
 

\[ y(x)\to e^{4 x} (c_2 x+c_1) \]